| Morganton to Oerlinghausen | 4,340.03 mi (6,984.60 km) |
| Morganton to Oestrich-Winkel | 4,369.74 mi (7,032.42 km) |
| Morganton to Offenburg | 4,411.72 mi (7,099.98 km) |
| Morganton to Oftersheim | 4,411.79 mi (7,100.09 km) |
| Morganton to Ohrdruf | 4,454.04 mi (7,168.08 km) |
| Morganton to Ohringen | 4,454.08 mi (7,168.15 km) |
| Morganton to Olbernhau | 4,560.48 mi (7,339.38 km) |
| Morganton to Olching | 4,559.13 mi (7,337.21 km) |
| Morganton to Oldenburg | 4,289.89 mi (6,903.91 km) |
| Morganton to Oldenburg in Holstein | 4,357.26 mi (7,012.33 km) |
| Morganton to Olfen | 4,296.86 mi (6,915.13 km) |
| Morganton to Olpe | 4,334.11 mi (6,975.07 km) |
| Morganton to Olsberg | 4,350.35 mi (7,001.21 km) |
| Morganton to Oranienburg | 4,490.67 mi (7,227.03 km) |
| Morganton to Ortenberg | 4,401.75 mi (7,083.94 km) |
